Rare Schubert & Vialon Theodolite, c. 1900
Large German precision surveying instrument, engraved
"Schubert & Vialon, No. 2950, Berlin", lacquered and ebonised
brass (original finish), silvered scales, 4 magnifiers, 4 levels,
length of the telescope: 13 ¾ in.
Estimate: € 1.500/2.000
US$ 2,000/2,700
Reserve: € 750/US$ 1,013
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